AutoCodes – GMC – P003A 2014 GMC Sierra

P003A 2014 GMC Sierra Code - Turbocharger Boost Control Position Not Learned

Quick Answer

Each time the vehicle is operated, and the Ignition is turned off, the smart Variable Geometry Turbocharger (VGT) actuator performs a position learn function. Common causes include Faulty Turbocharger Vane Position Actuator, Turbocharger Vane Position Actuator harness is open or shorted, Turbocharger Vane Position Actuator circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P003A 2014 GMC Sierra indicates Turbocharger Boost Control Position Not Learned.
Common causes: Common causes include Faulty Turbocharger Vane Position Actuator, Turbocharger Vane Position Actuator harness is open or shorted, Turbocharger Vane Position Actuator circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 284

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 13, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P003A 2014 GMC Sierra Description

Each time the vehicle is operated, and the Ignition is turned off, the smart Variable Geometry Turbocharger (VGT) actuator performs a position learn function. The actuator sweeps the arm and turbocharger vanes to the fully closed position and to the fully open position. The actuator measures the position in counts and can detect a position that exceeds the fully open or fully closed limit. The Diagnostic Trouble Code (DTC) will be set when the smart VGT actuator has detected an actuator arm position that exceeds the low or high threshold, at ignition Off.

OBDII Code P003A 2014 GMC Sierra - Turbocharger Boost Control Position Not Learned - AutoCodes.com — P003A 2014 GMC Sierra Code - Turbocharger Boost Control Position Not Learned

What does this mean?

What are the Possible Causes of the DTC P003A 2014 GMC Sierra?

Faulty Turbocharger Vane Position Actuator
Turbocharger Vane Position Actuator harness is open or shorted
Turbocharger Vane Position Actuator circuit poor electrical connection

How to Fix the DTC P003A 2014 GMC Sierra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P003A 2014 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P003A 2014 GMC Sierra code?

Need more information on how to fix the P003A 2014 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P003A 2014 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P003A 2014 GMC Sierra Code

1. What is the meaning of OBDII code P003A for a 2014 GMC Sierra?

The OBDII code P003A indicates a Turbocharger Boost Control Position Not Learned error on a 2014 GMC Sierra.

2. What are common symptoms of the P003A code in a 2014 GMC Sierra?

Common symptoms of the P003A code may include reduced engine power, poor acceleration, and the vehicle going into limp mode.

3. What can cause the P003A Turbocharger Boost Control Position Not Learned error in a 2014 GMC Sierra?

Possible causes of the P003A code include a faulty turbocharger actuator, wiring issues, or a problem with the turbocharger itself.

4. How serious is the P003A code in a 2014 GMC Sierra?

The P003A code should be addressed promptly as it can lead to decreased engine performance and potential damage to the turbocharger if left unresolved.

5. Can I continue driving my 2014 GMC Sierra with the P003A code?

It is not recommended to drive your vehicle with the P003A code present, as it can result in further damage and potential safety issues.

6. How can I diagnose the P003A code in my 2014 GMC Sierra?

Diagnosing the P003A code typically involves using a scan tool to check for the code, inspecting the turbocharger components, and testing the turbocharger actuator.

7. What are some repair tips for fixing the P003A code in a 2014 GMC Sierra?

Repair tips for resolving the P003A code may include checking and repairing any damaged wiring, replacing the turbocharger actuator, or cleaning the turbocharger components.

8. Will resetting the OBDII system clear the P003A code in my 2014 GMC Sierra?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the P003A code is not addressed, it is likely to reappear.

9. Can a DIY enthusiast fix the P003A code in a 2014 GMC Sierra?

While some aspects of diagnosing and repairing the P003A code may be possible for a DIY enthusiast, it is recommended to seek professional help for accurate diagnosis and proper repair.

10. How much does it cost to repair the P003A code in a 2014 GMC Sierra?

The cost of repairing the P003A code can vary depending on the underlying issue, parts needed, and labor costs. It is advisable to consult with a mechanic for an accurate estimate.